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Finding the Fourth Proportional to 5,689.74, 8,523.24 and 4,521.72

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Solution

The fourth proportional to 5,689.74, 8,523.24 and 4,521.72 is: 6,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.74 : 8,523.24 = 4,521.72 : x
  2. Step 2: Convert to fraction form
    5,689.74/8,523.24 = 4,521.72/x
  3. Step 3: Cross multiply
    5,689.74x = 8,523.24 × 4,521.72
  4. Step 4: Simplify right side
    5,689.74x = 38,539,704.77
  5. Step 5: Solve for x
    x = 38,539,704.77/5,689.74
  6. Step 6: Final answer
    x = 6,773.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.